TOI-1173 A $b$: The First Inflated Super-Neptune in a Wide Binary System

Jhon Yana Galarza, Thiago Ferreira, Diego Lorenzo-Oliveira +8

Among Neptunian mass exoplanets ($20-50$ M${}_{\oplus }$), puffy hot Neptunes are extremely rare, and their unique combination of low mass and extended radii implies very low density ($…